PSI - Issue 53

5

Reza Ahmadi et al. / Procedia Structural Integrity 53 (2024) 97–111 Author name / Structural Integrity Procedia 00 (2019) 000–000

101

Figure 2. Specimens Dimension

Figure 3.3D Models of Specimens

In each printing batch, a total of three components were systematically positioned along the Y-axis of the build plate and printed consecutively (Figure 4,7). This approach offers dual benefits. Firstly, it minimizes potential errors during the printing process, affording us finer control over the quality of our printed components. Furthermore, in the event of any unexpected issues or errors, it enables us to resume printing from the precise point where the interruption occurred. Secondly, this sequential printing strategy enhances both the efficiency and reliability of the printing process, particularly when there is a requirement for expeditious production of multiple parts for testing purposes within a limited time frame.

Figure 4. Isometric view of STL files on bed plate in slicer Prusa

Figure 5.Raster angle ±45 for Printed specimens

Prior to commencing thermal analyses, a comprehensive evaluation of the materials was undertaken under static loading conditions to ascertain their mechanical properties. This preliminary characterization is an essential step in the research process and provides the foundational mechanical data necessary for subsequent thermal investigations. All static tensile tests were conducted under standard room temperature conditions. The tests were carried out in a displacement control mode, with a constant speed of 5 mm/min. Mechanical testing was performed using an ITALSIGMA-25kN servo hydraulic testing machine. The testing setup utilized two grips, consisting of one fixed grip and one movable grip, to securely hold the specimens during the tensile testing process. For temperature recording, thermal imaging was conducted using the FLIR A40 infrared camera. This camera operates at a sample rate of 3Hz and offers a temperature measurement range spanning from -40°C to +120°C, thereby accommodating a wide spectrum